package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
      log.info(dishDto.toString());

      dishService.saveWithFlavor(dishDto);

      return R.success("新增代码成功");
    }

    @GetMapping("/page")
    public R<Page> getPage(int page,int pageSize,String name){
        //构造分页构造器对象
        Page<Dish> dishPage=new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage=new Page<>();

        //条件构造器
        LambdaQueryWrapper<Dish> dishLambdaQueryWrapper=new LambdaQueryWrapper<>();

        //添加过滤条件
        dishLambdaQueryWrapper.like(name!=null,Dish::getName,name);
        //添加排序条件
        dishLambdaQueryWrapper.orderByDesc(Dish::getUpdateTime);

        //执行分页查询
        dishService.page(dishPage,dishLambdaQueryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(dishPage,dishDtoPage,"records");

        List<Dish> Records=dishPage.getRecords();
        List<DishDto> dishDtoList=new ArrayList<>();
        for(Dish dish:Records){
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(dish,dishDto);
            Long dishId=dish.getCategoryId();
            Category category = categoryService.getById(dishId);
            if(category!=null) {
                String name1 = category.getName();
                dishDto.setCategoryName(name1);
                dishDtoList.add(dishDto);
            }
        }
        dishDtoPage.setRecords(dishDtoList);
        return R.success(dishDtoPage);

    }

//    根据id查询菜品信息和对应的口味信息
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);

        return R.success(dishDto);
    }
    /**
     * 修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }
//    @GetMapping("/list")
//    public R<List<Dish>> get(Dish dish){
//        LambdaQueryWrapper<Dish> wrapper= new LambdaQueryWrapper();
//
////        wrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
//        wrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
//        wrapper.eq(Dish::getStatus,1);
//
//        wrapper.orderByDesc(Dish::getUpdateTime).orderByDesc(Dish::getSort);
//
//        List<Dish> list=dishService.list(wrapper);
//        return R.success(list);
//
//    }
        @GetMapping("/list")
        public R<List<DishDto>> get(Dish dish){
            LambdaQueryWrapper<Dish> wrapper= new LambdaQueryWrapper();

        //        wrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
            wrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
            wrapper.eq(Dish::getStatus,1);

            wrapper.orderByDesc(Dish::getUpdateTime).orderByDesc(Dish::getSort);

            List<Dish> list=dishService.list(wrapper);

            List<DishDto> dishDtoList= list.stream().map((item)->{
                DishDto dishDto=new DishDto();
                BeanUtils.copyProperties(item,dishDto);

                Long categoryId = item.getCategoryId();//分类id
                //根据id查询分类对象
                Category category = categoryService.getById(categoryId);

                if(category != null){
                    String categoryName = category.getName();
                    dishDto.setCategoryName(categoryName);
                }
                LambdaQueryWrapper<DishFlavor> queryWrapper=new LambdaQueryWrapper<>();
                queryWrapper.eq(DishFlavor::getDishId,item.getId());

                List<DishFlavor> dishFlavor=dishFlavorService.list(queryWrapper);

                dishDto.setFlavors(dishFlavor);
                return dishDto;
//                List<DishDto> dishDtoList = list.stream().map((item) -> {
//                    DishDto dishDto = new DishDto();
//
//                    BeanUtils.copyProperties(item,dishDto);
//
//                    Long categoryId = item.getCategoryId();//分类id
//                    //根据id查询分类对象
//                    Category category = categoryService.getById(categoryId);
//
//                    if(category != null){
//                        String categoryName = category.getName();
//                        dishDto.setCategoryName(categoryName);
//                    }
//
//                    //当前菜品的id
//                    Long dishId = item.getId();
//                    LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
//                    lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
//                    //SQL:select * from dish_flavor where dish_id = ?
//                    List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
//                    dishDto.setFlavors(dishFlavorList);
//                    return dishDto;
                }).collect(Collectors.toList());
//            }).collect(Collectors.toList());

            return R.success(dishDtoList);

        }
//@GetMapping("/list")
//public R<List<DishDto>> list(Dish dish){
//    //构造查询条件
//    LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
//    queryWrapper.eq(dish.getCategoryId() != null ,Dish::getCategoryId,dish.getCategoryId());
//    //添加条件，查询状态为1（起售状态）的菜品
//    queryWrapper.eq(Dish::getStatus,1);
//
//    //添加排序条件
//    queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//
//    List<Dish> list = dishService.list(queryWrapper);
//
//    List<DishDto> dishDtoList = list.stream().map((item) -> {
//        DishDto dishDto = new DishDto();
//
//        BeanUtils.copyProperties(item,dishDto);
//
//        Long categoryId = item.getCategoryId();//分类id
//        //根据id查询分类对象
//        Category category = categoryService.getById(categoryId);
//
//        if(category != null){
//            String categoryName = category.getName();
//            dishDto.setCategoryName(categoryName);
//        }
//
//        //当前菜品的id
//        Long dishId = item.getId();
//        LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
//        lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
//        //SQL:select * from dish_flavor where dish_id = ?
//        List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
//        dishDto.setFlavors(dishFlavorList);
//        return dishDto;
//    }).collect(Collectors.toList());
//
//    return R.success(dishDtoList);
//}
}
